The sound comes from the world of Scooby-Doo, the mystery-solving cartoon created by Hanna-Barbera that first aired in 1969 with Shaggy, Scooby and their friends unmasking supposed ghosts and monsters. Frantic chase sequences became a signature part of the show, with characters sprinting through hallways and haunted houses while spooky music played. Clips of those runs later spread online as reaction and editing sounds, especially for escape and prank videos, because the cartoon panic is instantly recognisable even without seeing the characters on screen.